Big D Oil Co.
Everyday-value prices and customer service give Big D Oil stores a competitive advantage over competitors.Source: Convenience Digital Resource Library, Technomic
Speedway (retail division of Marathon Petroleum)
Speedway LLC, based in Enon, Ohio, is a wholly owned subsidiary of Findlay, Ohio-based Marathon Petroleum Corp. A key hallmark of the Speedway brand is its Speedy Rewards loyalty program. Customers ca...